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Family Physician
Family Physician, Board Certified MRO
Category: Drug Testing
Satisfied Customers: 12816
Experience:  Medical Review Officer - Physician Trained and certified in drug test interpretation
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Is there anyway to fool a mouth swab test?

Customer Question

Is there anyway to fool a mouth swab test?
Submitted: 2 years ago.
Category: Drug Testing
Expert:  Family Physician replied 2 years ago.

What drugs have you been using?

When is your test?

When did you last use?

Customer: replied 1 year ago.
Methamphetamine, and the test could be within the same day requested or two days later. This drug is used daily.
Expert:  Family Physician replied 1 year ago.

I know this in not the answer you were hoping to hear, but there is really nothing that you can do to speed the elimination of the drug from the body OR to "fool" or "beat" a saliva (oral fluid) test.

The detection period for amphetamine/methamphetamine in oral fluid is 24-48 hours. Some people may test negative sooner, however unless you are more than 48 hours after last use, a negative test is not something that should be expected.